/**
* Output a navigation menu
* @static
*/
function OutputMenu($menu, $start_level, $source_menu = false)
{
global $page, $GP_MENU_LINKS, $GP_MENU_CLASS, $gp_menu, $gp_titles;
if ($source_menu === false) {
$source_menu =& $gp_menu;
}
$search = array('{$href_text}', '{$attr}', '{$label}', '{$title}');
$replace = array();
if (count($menu) == 0) {
echo '<div class="emtpy_menu"></div>';
//an empty <ul> is not valid xhtml
gpOutput::ResetMenuGlobals();
return;
}
//$GP_MENU_LINKS = '<a href="{$href_text}" {$attr}><span class="sub-t">{$label}</span></a>';
//<a href="/rocky/index.php/Misson_&_Principles" title="Misson & Principles" >Misson & Principles</a>
$link_format = '<a href="{$href_text}" title="{$title}"{$attr}>{$label}</a>';
if (!empty($GP_MENU_LINKS)) {
$link_format = $GP_MENU_LINKS;
}
$result = array();
$prev_level = $start_level;
$page_title_full = common::GetUrl($page->title);
$source_keys = array_keys($source_menu);
$source_values = array_values($source_menu);
$open = false;
$li_count = array();
//get parent page
$parent_page = false;
$parents = common::Parents($page->gp_index, $source_menu);
if (count($parents)) {
$parent_page = $parents[0];
}
$class = 'menu_top';
if (!empty($GP_MENU_CLASS)) {
$class = $GP_MENU_CLASS;
}
$result[] = '<ul class="' . $class . '">';
foreach ($source_keys as $source_index => $menu_key) {
$attr = $class = $attr_li = $class_li = '';
$menu_info = $source_values[$source_index];
$this_level = $menu_info['level'];
//the next entry
$next_info = false;
if (isset($source_values[$source_index + 1])) {
$next_info = $source_values[$source_index + 1];
}
//create link if in $menu
if (isset($menu[$menu_key])) {
//ordered or "indexed" classes
if ($page->menu_css_ordered) {
for ($i = $prev_level; $i > $this_level; $i--) {
unset($li_count[$i]);
}
if (!isset($li_count[$this_level])) {
$li_count[$this_level] = 0;
} else {
$li_count[$this_level]++;
}
$class_li = 'li_' . $li_count[$this_level];
}
if ($page->menu_css_indexed) {
$class_li .= ' li_title_' . $menu_key;
}
//selected classes
if ($this_level < $next_info['level']) {
$class .= ' haschildren';
}
if (isset($menu_info['url']) && ($menu_info['url'] == $page->title || $menu_info['url'] == $page_title_full)) {
$class .= ' selected';
$class_li .= ' selected_li';
} elseif ($menu_key == $page->gp_index) {
$class .= ' selected';
$class_li .= ' selected_li';
} elseif (in_array($menu_key, $parents)) {
$class .= ' childselected';
$class_li .= ' childselected_li';
}
if (!empty($class)) {
$attr = ' class="' . trim($class) . '"';
}
if (!empty($class_li)) {
$attr_li = ' class="' . trim($class_li) . '"';
}
//current is a child of the previous
if ($this_level > $prev_level) {
if (!$open) {
$result[] = '<li' . $attr_li . '>';
//only needed if the menu starts below the start_level
}
while ($this_level > $prev_level) {
$result[] = '<ul>';
$result[] = '<li>';
$prev_level++;
}
array_pop($result);
//remove the last <li>
//current is higher than the previous
} elseif ($this_level < $prev_level) {
while ($this_level < $prev_level) {
$result[] = '</li>';
$result[] = '</ul>';
$prev_level--;
}
if ($open) {
$result[] = '</li>';
}
} elseif ($open) {
$result[] = '</li>';
}
$replace = array();
//external
if (isset($menu_info['url'])) {
if (empty($menu_info['title_attr'])) {
$menu_info['title_attr'] = strip_tags($menu_info['label']);
}
if (isset($menu_info['new_win'])) {
$attr .= ' target="_blank"';
}
$replace[] = $menu_info['url'];
$replace[] = $attr;
$replace[] = $menu_info['label'];
$replace[] = $menu_info['title_attr'];
//internal link
} else {
if (!empty($gp_titles[$menu_key]['rel'])) {
$attr .= ' rel="' . $gp_titles[$menu_key]['rel'] . '"';
}
$title = common::IndexToTitle($menu_key);
$replace[] = common::GetUrl($title);
$replace[] = $attr;
$replace[] = common::GetLabel($title);
$replace[] = common::GetBrowserTitle($title);
}
$result[] = '<li' . $attr_li . '>' . str_replace($search, $replace, $link_format);
$prev_level = $this_level;
$open = true;
}
}
while ($start_level <= $prev_level) {
$result[] = '</li>';
$result[] = '</ul>';
$prev_level--;
}
//$test = implode("\n",$result);
//$test = htmlspecialchars($test);
//echo nl2br($test);
//echo '<hr/>';
echo implode('', $result);
//don't separate by spaces so css inline can be more functional
gpOutput::ResetMenuGlobals();
return;
}
